US3004897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental preparation
Assignee: Individual
•
Filing: 1955-02-09
•
Granted: 1961-10-17
•
Expires: 1975-02-09
Abstract
No abstract record available.
Inventors
- 👤 Shore Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 02:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/40; A61K8/44; A61K8/19; A61K8/24; A61Q; A61Q11/00; Y; Y10; Y10S; Y10S424/00; Y10S424/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A TARTAR-COMBATING PREPARATION COMPRISING AS ITS ESSENTIAL TARTAR-COMBATING CONTENT (A) ABOUT FIVE PARTS OF THE TRI-(MONOVALENT-CATION) SALT OF ETHYLENEDIAMINE TETRAACETIC ACID, (B) FROM ABOUT TWELVE TO ABOUT TWENTY-FOUR PARTS OF A MONOVALENT-CATION HEXAMETAPHOSPHATE, AND (C) FROM ABOUT THREE TO ABOUT SIX PARTS OF AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF A MONOVALENT CATION PYROPHOSPHATE AND A MONOVALENT CATION TRIPOLYPHOSPHATE, AND IN EACH OF (A), (B) AND (C) THE MONOVALENT CATION IS A MEMBER OF THE CLASS CONSISTING OF AN ALKALI METAL AND THE AMMONIUM ION.
Claim 2
Dependent Claim
87 words
A TARTAR-COMBATING PREPARATION COMPRISING AS ITS ESSENTIAL TARTAR-COMBATING CONTENT (A) ABOUT FIVE PARTS OF THE TRI-(MONOVALENT-CATION) SALT OF ETHYLENEDIAMINE TETRAACETIC ACID, (B) FROM ABOUT TWELVE TO ABOUT TWENTY-FOUR PARTS OF A MONOVALENT-CATION HEXAMETAPHOSPHATE, AND (C) FROM ABOUT THREE TO ABOUT SIX PARTS OF AT LEAST ONE MEMBER OF THE CLASS CONSISTING OF A MONOVALENT CATION PYROPHOSPHATE AND A MONOVALENT CATION TRIPOLYPHOSPHATE, AND IN EACH OF (A), (B) AND (C) THE MONOVALENT CATION IS A MEMBER OF THE CLASS CONSISTING OF AN ALKALI METAL AND THE AMMONIUM ION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |